29.551—Auxiliary lifting surfaces.
Each auxiliary lifting surface must be designed to withstand—
(a)
The critical flight loads in §§ 29.337 through 29.341, and 29.351;
(b)
the applicable ground loads in §§ 29.235, 29.471 through 29.485, 29.493, 29.505, and 29.521; and
(c)
Any other critical condition expected in normal operation.